Stoppers, Straight Sided Serum, Gray Chlorobutyl - Stopper, straight sided, PTFE-faced - 73811T-21

These high quality gray chlorobutyl stoppers are used for research and pharmaceutical packaging applications. Universal gray chlorobutyl formulation passes Japanese, European and United States pharmocepia testing for globally marketed pharmaceutical products. The formulation contains no plasticizers, 2-mercapto-benzothaizole, nitrosamine precursors or natural rubber latex. Formulation is applicable to aqueous solutions with a pH range of 2 to 10. Available with PTFE® facing to improve chemical compatibility and minimize surface interactions. Durometer 50.